ppp(8) and inbound IP connections

[Matthias Apitz]

El día Tuesday, May 07, 2013 a las 07:43:30PM +0100, Joe Holden escribió:

> > tun6: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1500
> > 	options=80000<LINKSTATE>
> > 	inet 10.33.28.104 --> 10.64.64.64 netmask 0xffffffff 
> > 	nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
> > 	Opened by PID 799
> > 
> > and the routing is:
> > 
> > 
> > Routing tables
> > 
> > Internet:
> > Destination        Gateway            Flags    Refs      Use  Netif Expire
> > default            10.64.64.64        UGS         0     1694   tun6
> > 10.33.28.104       link#7             UHS         0        0    lo0
> > 10.64.64.64        link#7             UHS         0        1   tun6
> > 127.0.0.1          link#6             UH          0       75    lo0
> > 
> > Any ideas about this? Thanks.
> > 
> > I'm attaching the ppp.conf file.
> > 
> > 	matthias
> > 
> It seems quite clear from your ifconfig output that your provider 
> doesn't give you a routable address, so you will never see inbound 
> connections.  Usually providers have an alternate APN that will give you 
> one, but that depends on the provider in question.

Ofc, the provider must NAT somehow my local addr behind some routable
valid IP addr, in our case 82.113.99.104; without this nothing would
come back, even when the 1st SYN was from my side; the question is, why
they do not manage the NAT table so any SYN to 82.113.99.104 is sent to
my ppp link;

or if they do send it, and my ppp config is wrong?

Thanks for your reply in any case

	matthias
-- 
Sent from my FreeBSD netbook

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